Radio communication system

Details Radio communication system Radio communication system

1991-11-05

1994-03-22

Chin, Stephen

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 59, 379 60, H04M 1100

Patent

active

052971902

ABSTRACT:
A wired line connecting an existing fixed station and a wired telephone network is divided into a plurality of channels on a time division multiplex basis for a digital signal, at least one of the plurality of channels is allocated for a public mobile station, a spatial radio link established between the fixed station and a specific mobile station exclusively connected only to the fixed station is divided into a plurality of time division slots, and at least one of the time slots is used for a public portable radio telephone set.

REFERENCES:
patent: 4748655 (1988-05-01), Thrower et al.
patent: 4766000 (1984-10-01), Parienti
patent: 4972506 (1990-11-01), Uddenfeldt
patent: 5020054 (1991-05-01), Rash et al.
patent: 5042082 (1991-08-01), Dahlin
patent: 5109527 (1992-04-01), Akerberg
Global News ("Wireless Communication Migrate to the Local Loop"), Oct. 1990.

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